Cisco Systems, Inc. is an American multinational technology company headquartered in San Jose, California, that designs, manufactures, and sells networking equipment. Cisco is the worldwide leader in networking for the Internet, and it supports, manages and operates business systems for various and major third parties. Cisco Systems was founded in December 1984 by Leonard Bosack, who was in charge of the Stanford University computer science (CS) department's computers, and Sandy Lerner, who managed the Graduate School of Business' computers.
Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is the largest professional services network in the world by revenue and by the number of professionals. Deloitte provides audit, tax, consulting, enterprise risk and financial advisory services with more than 200,000 professionals in over 150 countries. Deloitte is one of the "Big Four" professional services firms along with PwC, EY, and KPMG. Its global headquarters are located in the United States.